207
CDUS45 KBYZ 290930
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
330 AM MDT MON SEP 29 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 28 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 350 PM 92 2010 68 14 82
MINIMUM 48 507 AM 26 1984 44 4 52
AVERAGE 65 56 9 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.40 2019 0.05 -0.05 0.00
MONTH TO DATE 0.90 1.27 -0.37 1.72
SINCE OCT 1 15.66 14.22 1.44 13.05
SINCE JAN 1 14.36 11.68 2.68 10.66
SNOWFALL (IN)
YESTERDAY 0.0 1.3 1965 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 T 0.2 -0.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 10 -10 0
MONTH TO DATE 47 148 -101 43
SINCE SEP 1 47 148 -101 43
SINCE JUL 1 63 184 -121 57
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 64 61 3 109
SINCE SEP 1 64 61 3 109
SINCE JAN 1 649 656 -7 776
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 500 AM
LOWEST 20 100 PM
AVERAGE 44
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THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 94 2024
MINIMUM TEMPERATURE (F) 44 26 1985
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 710 AM MDT SUNSET 657 PM MDT
SEPTEMBER 30 2025.....SUNRISE 712 AM MDT SUNSET 655 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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